Direct Proportion Tuesday, 16 July 2019

Slides:

Advertisements

Similar presentations

Velocity-time graph’s

Advertisements

$100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300.

How to solve a 2-Step word problem using RUCSAC By Kye and Nina.

A jigsaw costs 65p. How many can you buy for £2? How much change do you get? Dad bought 3 tins of paint at £5.68 each. What was his change from £20? Diesel.

Multi-Step Word Problems - Y6

DRIVING When do you need to think about numbers when you are driving ? © COPYRIGHT SKILLSHEETS 2014.

Direct or Indirect Proportion

Finding Correlation Coefficient & Line of Best Fit.

7.1 The Meanings of Ratio, Rate, and Proportion

Proportion Practice #1. Question A n x 6 Question B n x 5.

Direct and Indirect Proportion. What is Direct Proportion? If a quantity ‘A’ is directly proportional to another quantity ‘B’, this means that if ‘A’

Effective Participator

Warmup Perform the following conversions: a. Convert your weight (in pounds) to grams. If you’re not sure what your weight is, then guess! b. In its lifetime,

$100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300.

g = PO D g = × 21 = × g = 12g 12g = 882 ÷12.

Rates. A rate is a ratio that involves two different units. A rate is usually expressed as an amount per unit, such as ‘price per ticket’ or ‘kilometres.

Effective Participator

Offsite Detour analysis. Calculation of detour length Distance along SR = Distance along SR

Proportion Direct proportion Y is directly proportional to x

FIND THE UNIT RATE 9000 tickets 6 hours. FIND THE UNIT RATE 240 tickets = x tickets hour minute.

Unit 21 Proportion.

Question 1 There are 200 miles between Halifax and London. What is this in km?

Relationship between time, displacement, velocity, acceleration. Kinematic.

Section 2.7 Proportions and Direct Variation. 2.7 Lecture Guide: Proportions and Direct Variation Objective: Use proportions to solve word problems.

 You can use weighted averages to solve uniform motion problems when the objects you are considering are moving at constant rates or speeds.

5-Minute Check Simplify. 1) 2)3) 4) 5) 2/3 3/5 2 2a/b3.

X = 3y = 4z = 8 2x Step 1X = 3 Step 22(3) 2 – 6 2 Step 4 2(9) – 6 2Step 3 18 – 12 =6.

Collision Course An Investigation Collision Course Two cars are on a collision course, heading straight at each other. One car is traveling at 50 miles.

How do you identify the constant of proportionality in verbal descriptions of proportional relationships?

 A comparison of two quantities  Often expressed as a fraction.

1) Have £ Unluckily I Lose £3.46 and mum makes me give £4.36 to my brother. Because my brother is very kind he gives me back 75% back of the amount.

OPENER Write a proportion involving the two variables, then solve for the unknown value Time (minutes) # of pencils produced ?

Distance (m) Time (s) What is the position of the car at the instant of time t = 2 s? What is the position of the car at the instant of time t = 4 s? Starting.

Speed How many measurements for speed can you think of?

DRIVING When do you need to think about numbers when you are driving ?

Constant of Proportionality

Make and Justify Estimates Quiz

35 + (-5) 9 – – (-12) Write as a decimal. Write as a percent.

Roller Coaster Physics

metres grams litres Converting Units kilometres centimetres kilograms

There are 1000 of these in a kilogram

Starter Questions Convert the following to minutes :-

Answer Sheet Answer Sheet Job 1 Bearing Job 2 Distance (Miles) Job 3 DST Job 4 Litres Gatwick – Copenhagen Copenhagen – Paris Paris – Berlin.

Starter Questions 08/02/11 Draw a distance and time graph to show the following journey. Calculate the speed at each point. I leave my house at 9am and.

metres grams litres Converting Units kilometres centimetres kilograms

Decimals Four rules of number

One light year is equal to the distance traveled by light in one year (through empty space). One light year = 1 ly = 6 trillion miles = 9.5 trillion.

AIM: Can I choose suitable units for measuring?

A B A B C D C D A B A B C D C D A B A B C D C D A B A B C D C D

A car travels a distance of 665miles at

Starter Questions Convert the following to decimal time :-

Problems involving direct

Proportion Direct proportion Y is directly proportional to x

“War of the Worlds” Broadcast (1938)

Direct Variation Direct Variation: y y

metres grams litres Converting Units kilometres centimetres kilograms

Starter Questions Convert the following to minutes :-

Unit 3 Review (Calculator)

№96 сонли умумий ўрта мактабининг ўқитувчиси Эшанкулова феруза

metres grams litres Converting Units kilometres centimetres kilograms

Proportional Relationships and Graphs

metres grams litres Converting Units kilometres centimetres kilograms

USING PROPORTIONS.

Calculate 9 x 81 = x 3 3 x 3 x 3 x 3 3 x 3 x 3 x 3 x 3 x 3 x =

Маңғыстау облысы, Маңғыстау ауданы, Өтес селосы

1. The car used 3 gallons of gas to travel 175 miles.

AIM: Can I choose suitable units for measuring?

Balloon Car Race.

Presentation transcript:

Direct Proportion Tuesday, 16 July 2019 Unitary Methods Direct Proportion Tuesday, 16 July 2019

Example If 9 meals cost £80.55 , find the cost of 4 meals

Example If it takes 12 minutes to travel 18 miles, find the distance travelled in 15 minutes.

Calculate the weight of the 30 cm piece of wire. Example A piece of wire is 25 cm long and has a weight of 6 grams. Another piece of the same wire is 30 cm long. Calculate the weight of the 30 cm piece of wire.

Example A car uses petrol at the rate of 5 litres for every 40 miles travelled. How many litres will it take to travel 130 miles?